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tools/install: Fix Bash version check

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This commit is contained in:
Koichi Murase
2021-04-20 11:33:32 +09:00
parent 39c9598081
commit b9b2c58c48
1 changed files with 11 additions and 11 deletions
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22
tools/install.sh
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@ -1,11 +1,22 @@
#!/usr/bin/env bash
# Checks the minium version of bash (v4) installed,
# stops the installation if check fails
if [ -z "$BASH_VERSION" ] || \
{ bash_major_version=$(echo "$BASH_VERSION" | cut -d '.' -f 1);
[ "${bash_major_version}" -lt "4" ]; }; then
printf "Error: Bash 4 required for Oh My Bash.\n"
printf "Error: Upgrade Bash and try again.\n"
exit 1
fi
main() {
# Use colors, but only if connected to a terminal, and that terminal
# supports them.
if hash tput >/dev/null 2>&1; then
ncolors=$(tput colors 2>/dev/null || tput Co 2>/dev/null || echo -1)
fi
if [ -t 1 ] && [ -n "$ncolors" ] && [ "$ncolors" -ge 8 ]; then
RED=$(tput setaf 1 2>/dev/null || tput AF 1 2>/dev/null)
GREEN=$(tput setaf 2 2>/dev/null || tput AF 2 2>/dev/null)
@ -26,17 +37,6 @@ main() {
# which may fail on systems lacking tput or terminfo
set -e
# Checks the minium version of bash (v4) installed,
# stops the installation if check fails
if [ -n $BASH_VERSION ]; then
bash_major_version=$(echo $BASH_VERSION | cut -d '.' -f 1)
if [ "${bash_major_version}" -lt "4" ]; then
printf "Error: Bash 4 required for Oh My Bash.\n"
printf "Error: Upgrade Bash and try again.\n"
exit 1
fi
fi
if [ ! -n "$OSH" ]; then
OSH=$HOME/.oh-my-bash
fi